Linear actuator



FIG. 1 is a first perspective view of a linear actuator showing our new and ornamental design,

FIG. 2 is a second perspective view thereof,

FIG. 3 is a front view thereof,

FIG. 4 is a top view thereof,

FIG. 5 is a rear view thereof,

FIG. 6 is a bottom view thereof,

FIG. 7 is a first end view thereof; and,

FIG. 8 is a second, opposite end view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter. 

CLAIM The ornamental design for a linear actuator, as shown and described. 